Abstract: The present invention relates to novel organic electroluminescent materials and organic light emitting devices comprising the same. Since the organic electroluminescent materials according to the invention have good luminous efficiency and life property as an electroluminescent material, OLED's having very good operation lifetime can be produced.

Abstract: Provided are novel organic electroluminescent compounds, and organic electroluminescent devices comprising the same as electroluminescent material. Specifically, the organic electroluminescent compounds according to the present invention are represented by Chemical Formula (1): wherein, at least one substituent(s) among Ar1, Ar2, R6, R7, R8, R9, R10, R11, R12, R13, R14 and R15 represent(s) The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency and excellent life property of material, so that an OLED having very good operation life can be manufactured therefrom. Further, the organic electroluminescent compound according to the present invention, when it is contained in an electroluminescent layer or a hole transport layer, lowers the operation voltage to result in noticeable decrease in power consumption, with exhibiting at least comparable luminous efficiency as compared to conventional OLED's.

Abstract: Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same as an electroluminescent material.

Abstract: Provided are novel organic electroluminescent compounds characterized in that they are represented by Chemical Formula (1): wherein, ring A and ring B independently represent a saturated 5- or 6-membered heterocyclic amino group, or a substituent selected from the following structures: wherein the saturated 5- or 6-membered heterocyclic amino group may further comprise one or more heteroatom(s) selected from NR36, O and S; and a and b independently represent an integer from 0 to 4, provided that (a+b) is an integer from 1 to 4.

Abstract: The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices employing the same as electroluminescent material. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1). Since the organic electroluminescent compounds according to the invention have good luminous efficiency and excellent life property of material, OLED's having very good operation life can be manufactured therefrom.

Abstract: The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices employing the same in an electroluminescent layer. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1) or Chemical Formula (2): Since the organic electroluminescent compounds according to the invention have good luminous efficiency and excellent life property of material, OLED's having high color purity, high luminance and long life can be manufactured therefrom.

Abstract: The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices comprising the same. Specifically, the organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): wherein, total number of carbons in ?is from 21 to 60. The electroluminescent compounds according to the present invention are green electroluminescent compounds, of which the luminous efficiency and device lifetime have been maximized.

Abstract: The present invention relates to organic electroluminescent compounds represented by Chemical Formula (1), and organic light emitting diodes comprising the same. Since the organic electroluminescent compounds according to the invention have good luminous efficiency and life property of material, OLED's having very good operation lifetime can be produced.

Abstract: The present invention relates to novel organic electroluminescent compounds, organic electroluminescent devices and organic solar cells comprising the same. Specifically, the organic electroluminescent compounds according to the invention are represented by Chemical Formula (1): wherein, R1 and R2 independently represent hydrogen, deuterium, linear or branched (C1-C20)alkyl, (C2-C20)alkenyl, (C2-C20)alkynyl, (C3-C15)cycloalkyl, tri(C1-C20)alkylsilyl, di(C1-C20)alkyl(C6-C20)arylsilyl, tri(C6-C20)arylsilyl, adamantyl, (C7-C15)bicycloalkyl or (C4-C20)heteroaryl, and the alkyl, alkenyl, alkynyl, cycloalkyl, trialkylsilyl, dialkylarylsilyl, triarylsilyl, adamantyl, bicycloalkyl or heteroaryl of R1 and R2 may be further substituted by one or more substituent(s) selected from deuterium, linear or branched (C1-C20)alkyl, (C1-C20)alkenyl, (C1-C20)alkynyl, halogen, phenyl, fluorenyl, naphthyl and anthryl.

Abstract: The present invention relates to organic electroluminescent compounds represented by Chemical Formula 1 or 2, a process for preparing the same, and an organic light emitting diode (OLED) which comprises, as a luminescent region interposed between an anode and a cathode, at least one compound (s) selected from those represented by Chemical Formula 1 or 2, and at least one compound selected from anthracene derivatives, benz[a]anthracene derivatives and naphthacene derivatives. The electroluminescent compound according to the present invention is a green electroluminescent compound having maximized electroluminescent efficiency and lifetime of device.

Abstract: The present invention is related to organic electroluminescent compounds, methods of their preparation, and electroluminescent devices adopting them as electroluminescent materials.